0
votes
2answers
45 views

How can I use SSH to run Cisco IOS commands in Global config mode?

I know about Kron, but there is supposedly no way to run global config commands: http://www.techrepublic.com/article/schedule-commands-with-cisco-ios-kron/ If I connect using Putty, Putty is able to ...
1
vote
0answers
37 views

Cisco SG300 switch does not send RADIUS messages to server for 802.1x

I want to eventually configure the SG300 to authenticate wired clients with 802.1x and Microsoft NPS (RADIUS). I am currently testing this setup using a single port (Port 7) on my SG300, a test ...
2
votes
3answers
85 views

VLAN planning and questions

I currently manage an environment with IP addressing of 10.10.10.x/23. We have 3 VLANS set up, and I use that term very loosely. The reason I say I use the term loosely is, the 3 VLANS have full ...
0
votes
0answers
33 views

Connecting to Access Switches Management Console via SSH

In a typical lab setup: [USER] -> [Cisco 2960X] -> [Cisco 3560X] -> [Firewall] -> [Router] 3560X carry all the internal routing, VLANs and is the VTP server. It has below IP settings: Management ...
0
votes
0answers
54 views

How can I allow NAT from inside to outside and vise-versa when each of my clients will have only one static public IP using an ASA5525-X?

My network topology is pretty basic. My data center provides a router and added a switch just before my cage to provide connectivity to all of the racks. My rack takes the copper drop they provide and ...
0
votes
0answers
42 views

Cisco 3560-X and Bind9 DDNS integration

Experts, In an infrastructure I'm currently working on, we have one Cisco 3560-X as a core switch and an internal Bind9 DNS server. The 3560 is acting as the DHCP server. BIND9 currently has names of ...
1
vote
1answer
75 views

Cisco Catalyst 3560 PoE 48 with setting interface to auto qos voip trust

All I'm trying to do is copy the running-config from a Cisco Catalyst 2560 PoE 24, to a Catalyst 3560 PoE 48. This is f0/1 from the original switch: interface FastEthernet0/1 switchport access vlan ...
0
votes
0answers
42 views

SG300-52 Remote Management Layer 3 Connectivity

I have a brand new SG300-52. I was able to successfully access my switch remotely when on Layer 2 but once I switched to Layer 3 and reset the switch to factory settings I can no longer configure it ...
0
votes
0answers
22 views

How can I use accounting records on cisco ise authorization?

I'm going to switch from windows NPS to cisco ISE for central authorization on the network. I implemented 802.1x & other needed authentications using it. However, on some points, I need to control ...
3
votes
2answers
281 views

What does 'Si' mean with respect to network switches?

I am seeing references to Multilayer Switches with Si as in the network symbol below. What does the 'with Si' qualifier mean?
3
votes
1answer
153 views

How to install and run Puppet Device in order to configure Cisco Switches and Routers?

According to this documentation it should be possible to configure a Cisco Switch by using the Puppet Module Device. Where could this module be found? Is this module restricted to Puppet ...
1
vote
2answers
76 views

Point of Shared Secrets on RADIUS Servers over a Cisco Switch

I was wondering what the point of Shared Secrets are on RADIUS servers if I set the secret in the Cisco switch configuration. If the supplicant wanting to be authenticated does not have to know it, ...
0
votes
1answer
48 views

RADIUS authentication requests not relayed to RADIUS server

I am trying to set up a RADIUS server for 802.1x NAC over a Cisco IE 3000 Network Switch, using freeRadius to implement it. I know the switch knows where the RADIUS server is because I set up the ...
0
votes
1answer
119 views

Configuring a RADIUS server for 802.1x over a Cisco Switch

I am trying to set up RADIUS authentication over a Cisco switch and I have gone through every tutorial they have. I am able to get the RADIUS server to authenticate when I access the CLI of the Cisco ...
0
votes
1answer
432 views

Voice VLAN Configuration on Cisco SG300

We currently have a single Cisco SG300 switch on our data network. We are introducing a hosted VoIP system. As such we will be installing a second Cisco SG300 (to account for growth and new phones) ...
0
votes
1answer
313 views

Enabling Jumbo Frame on Cisco 2960G

I'm having issue with enabling jumbo frame on my Cisco 2960G. Here is what I tried, and what I got: Switch(config)#system mtu jumbo 9000 vb:: Read-only file system Changes to the system jumbo MTU ...
1
vote
1answer
82 views

3750s not logging mac address changes?

I have enabled mac address change logging on my Cisco 3750s but I'm not getting any results. What am I missing? I've moved hardware a couple times and set up a couple new VMs with totally new MAC ...
0
votes
0answers
43 views

What should I consider when I plan a meaningful monitoring for SNMP Switch (SG200-50)

I am currently planning the monitoring of a switch and would like to consider beforehand what I need to be closely monitored in order to obtain errors and warnings are also useful. I have a Cisco ...
0
votes
1answer
39 views

different Native vlans on the ends of trunk link

http://www.techexams.net/forums/ccnp/53867-different-native-vlans-ends-trunk-link.html so i read this, but i still can not get traffic between two ends of a trunk link, each with a different native ...
0
votes
1answer
66 views

Cisco switch restart doesn't reload config

Something really strange happened to me today. I was configuring a 3750 switch and halfway through the changes I messed up. So I did what I've always done, unplug the power cable from the switch and ...
2
votes
2answers
76 views

Cisco Switch went mad

tI have a Cisco SLM2048 Smart Switch which I can't access anymore. The switch is working just fine but: I can't reach it by web interface Doesn't seem to be able to reset it, even if I hold reset ...
2
votes
0answers
73 views

How to fix an aborted firmware upgrade on Cisco SLM2048

There is a Cisco SLM2048 switch and the last firmware upgrade aborted, now the switch doesn't work anymore. I can't access the switch. The only evidence is a blinking system LED. As the switch doesn't ...
1
vote
3answers
148 views

Cisco Switch Out-Of-Box without console access

I have a Cisco C2950-24 Switch Out-Of-Box here. But my laptop doesn't have serial port nor I have the console hub. Is there a way to setup the switch from this state without console access? I have ...
0
votes
1answer
301 views

Cant Connect/Ping to Management Console on Cisco SG200-50 after Connecting networking

I have two of these switches. When I have nothing else plugged in and a cable from port 1 to a laptop on the same subnet I can connect fine, however after plugging any additional networking in I ...
1
vote
0answers
104 views

Cisco Auto Smartports on catalyst 2960-s

I have Cisco Catalyst 2960-s, I want to configure user defined macros on it. I searched a lot in Cisco documentation but its not for beginners :( How to create a user defined macro that runs when a ...
-2
votes
3answers
112 views

Cisco switch inter-vlan access

I have Cisco Catalyst 2960-s switch and I want to configure three Vlans (A; B; C) I want to : Allow traffic between A and B Allow traffic between A and C Block traffic between C and B or if ...
2
votes
1answer
462 views

How is my newer Cisco Switch finding the default gateway?

Is there something new that I do not know about with newer Cisco gear. In order to manage my switch I usually have to assign a VLAN 1 interface and add a default route (or ip default-gateway) to ...
0
votes
1answer
142 views

route cisco sg300 traffic through Watchguard firewall

I need help in determining what I need to research. I have two cisco SG300 switches (sg300-52 & sg300-28) and a Watchguard firewall (XTM-23). The internet connection currently passes through our ...
1
vote
1answer
739 views

Cisco Port Buffer Memory

How can the total amount of port buffer memory be determined for Cisco switches? Cisco doesn't seem to publish this data anywhere as part of the hardware specifications, but the information seems ...
3
votes
1answer
146 views

Unicast traffic between hosts on a switch leaving the switch by its uplink. Why?

I have a weird thing happening on our network at my office which I can't quite get my head around. In particular I can't tell if it's a problem with a switch, or a problem with configuration. We have ...
0
votes
1answer
129 views

Proper way to connect Cisco Small Business Switches? [closed]

First time network engineer here. I don't have a large budget, so I need to learn all of the skills necessary without pulling in a bunch of vendors. I'm charged with building out a 350port network in ...
0
votes
1answer
337 views

How to allow IGMP traffic on Cisco switches?

I have a network formed by some Cisco switches (a 2960 at the center, some 2950s for distribution). The network uses VLANs, and there are trunks between the various switches. Computers in the same ...
0
votes
2answers
2k views

Difference between trunk and tagged port

I am reading some wikipedia articles and RFC 5517, studying VLANs, and I don't recognize the difference between a trunk port and a tagged port. From what the material I am reading says, a tagged ...
0
votes
2answers
73 views

Looking for Cisco router/switch logs that would be related to an outage

I have a main router with several other switches connected to it. The network went down and when I consoled the main router, it was sluggish. Rebooted it, but once the interfaces where the other ...
-2
votes
1answer
126 views

Cisco Switch VLAN vs ACL [closed]

I am trying to create a VLAN in which my PS3 can access a remote PC that feeds it video. I want my PS3 not to be able to communicate to the internet, and be able to move that remote PC into the same ...
1
vote
1answer
103 views

Cisco switch default gateway

I have a Cisco 3550 Switch (with an EMI) image. I seem to be stuck trying to figure out if the switch has a possibility of setting IP addresses (i thought Layer 3 switches could do that). I want to ...
0
votes
1answer
254 views

What would my over subscription be for my network?

I have 24 racks with 20 servers each connecting to 2 by 48 x 10G switches in each rack (NIC teaming). The switchs then connects to another 2 by 48 x 10G switches in 2 aggregation racks. What would ...
1
vote
2answers
1k views

How can I tell if Cisco switch is running PVST or PVST+?

On a Cisco 6503 switch, if I run "show spanning-tree summary", it says, "Switch is in pvst mode". How do I know if this is PVST or PVST+? Would it have specifically said PVST+? Or does it depend on ...
0
votes
1answer
150 views

Programmatically interfacing with Managed switches (Cisco 3750)?

I work at an organisation that has a few thousand computers and around 100 switches. To help with the stock take for the computers I would like to programmatically access the managed switches to find ...
-1
votes
1answer
397 views

Routing between Vlans on layer 2 switch and Cisco router [closed]

Hi I'm quite new to networking and need some help with a home configuration... I have an 8 port TP-Link SG3210 layer 2 802.1Q tag capable switch and a Cisco 1801 router. I set up 3 Vlans on the ...
0
votes
1answer
165 views

cisco small business 300-10 managed config import fails

Device: cisco small business 300-10 10-Port Gigabit Managed Switch Firmware: 1.2.7.76 The config installation via webinterface with TFTP or http fails with following message in the console ...
1
vote
4answers
2k views

new Catalyst 2950 switch, no console or telnet CLI access

I am connecting a brand-new Catalyst 2950 switch to my LAN. It is on with green lights, and frames successfully go in and out the ports. The switch is on the same LAN has my host PC, and pings are ...
2
votes
1answer
205 views

Catalyst to Nexus Migration - Can 4948s be used for access switches

We currently have a switching topology in which two 7600 make up the core and there are N many access layer 4948s at the top of every few racks. They are trunked to both 7600s. I would like to ...
2
votes
2answers
903 views

Should I add a layer 3 core switch or just use the router I have

I just started as the network admin at this company a month ago and inherited this infrastructure. (Router should be labeled 2921, not 2920). Link to see image full size: ...
0
votes
2answers
460 views

Redundancy scenarios for a small network centered around a Cisco 3560X switch

As the title says, I manage a small network which uses a Cisco 3560X as the core switch. We have recently got a 2nd identical switch and I have started thinking about how to add some redundancy to the ...
1
vote
4answers
1k views

Cisco Switch: trigger mac-address table update

If I run show mac-address-table dynamic I get a bunch of mac addresses on that table. But due to the aging parameter, I don't see the mac addresses of all possible devices on the network that come ...
1
vote
1answer
411 views

Cisco ARP table: determine directly connected devices

I have a Cisco switch and a big list of servers on the network. I need to determine what servers are connected directly to that switch. Will searching for the MAC address of each server in the ...
2
votes
2answers
286 views

How up connect Cisco 3560G to WS-C3560G-24TS-S

I want to link a Cisco 3560G switch with a WS-C3560G-24TS-S (http://www.newegg.com/Product/Product.aspx?Item=N82E16833120039). From what I understand, I can use either two regular switch ports to ...
0
votes
3answers
167 views

WAP + Ethernet Switch Configuration

I need about 20-25 Ethernet connections so I guess a switch is the only way to go. My question is does a wireless access point create a new network (would it make the wireless network a separate ...
0
votes
1answer
354 views

Networking: Does slavedisk0 take over for disk0 in the event of a fault?

My bootvar is set to boot up images from disk0. The 6500 series switch has two redundant supervisors. Each supervisor has a PCMCIA card with the exact same IOS images in the 0 slot. The secondary ...